CN213584024U - Battery module and battery box - Google Patents
Battery module and battery box Download PDFInfo
- Publication number
- CN213584024U CN213584024U CN202022367607.7U CN202022367607U CN213584024U CN 213584024 U CN213584024 U CN 213584024U CN 202022367607 U CN202022367607 U CN 202022367607U CN 213584024 U CN213584024 U CN 213584024U
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- battery
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- electric core
- module
- battery module
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- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a battery technology field discloses a battery module and battery box, and wherein the battery module includes: the battery comprises a plurality of battery cores, a plurality of battery cores and a plurality of battery cores, wherein the battery cores are stacked to form a battery core group, and a silica gel pad is clamped between every two adjacent battery cores; the binding belt is wound on the electric core group and binds the electric core group tightly; the two ends of the pressing plate are provided with connecting supports, and the pressing cover of the pressing plate is arranged on the side surface of the cell group and is connected to the box body of the battery box through the connecting supports; and the heating film is attached to the side surface of the electric core group. Through the structure, the battery module not only has the heating function, but also has longer cycle service life.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery module and battery box.
Background
At present, a communication base station generally uses a battery box as a power supply to supply power, and a plurality of battery boxes are connected in parallel in a cabinet to increase the battery capacity of the system, but because of the limitation of the size and the shape of the battery box on the current market, the utilization rate of the cabinet of the communication base station is low, the battery capacity which can be provided by a single cabinet is low, and the number of the cabinets needs to be increased in order to meet the demand of the battery capacity of the system, so that the cost is high.
In addition, as part of the communication base stations are located in high-altitude areas, the temperature is lower all the year round, even lower than 0 ℃, which not only affects the charging and discharging of the batteries and the normal operation of the communication base stations, but also reduces the service life of the batteries.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery module, this battery module not only has the heating function, has longer recycling life moreover.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery module, comprising: the battery comprises a plurality of battery cores, a plurality of battery cores and a plurality of battery cores, wherein the battery cores are stacked to form a battery core group, and a silica gel pad is clamped between every two adjacent battery cores; the binding belt is wound on the electric core group and binds the electric core group tightly; the two ends of the pressing plate are respectively provided with a connecting bracket, and the pressing cover of the pressing plate is arranged on the side surface of the electric core group and is connected to the box body of the battery box through the connecting brackets; and the heating film is attached to the side surface of the electric core group.
As a preferred scheme of the battery module, the battery module further comprises a connecting bar, wherein the connecting bar is welded on the pole of the battery cell through laser so as to connect the battery cells in series or in parallel.
As a preferred scheme of battery module, this battery module still includes relative insulating apron and the insulating piece that sets up, insulating apron lid is located the electric core group has one side of utmost point post, the insulating piece lid is located the opposite side of electric core group.
As a preferred scheme of battery module, this battery module still includes the buffer board, the buffer board clamp is located between clamp plate and the electric core group.
As a preferred scheme of the battery module, a plurality of reinforcing ribs are arranged on the pressing plate at equal intervals, and the length of the reinforcing ribs is arranged along the length direction of the pressing plate.
Another object of the utility model is to provide a battery box, this battery box compact structure can improve the quantity of placing of battery box in the rack, improves the utilization ratio of rack.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery box comprises a box body, a box cover and a battery module group in any technical scheme, wherein the battery module group is connected into the box body through a connecting bracket, and the box cover is connected to the box body and covers the battery module group into the box body;
the battery module comprises a second module and two first modules, wherein the two first modules are respectively abutted against two ends of the second module, and a cavity capable of containing auxiliary parts of the battery box is formed between the two first modules.
As a preferred scheme of the battery box, a limiting support is arranged on the box body, and the connecting support is connected to the limiting support through a connecting bolt.
As a preferable mode of the battery box, the battery box further comprises a front panel, and the front panel is connected to the box body and the box cover.
As a preferable mode of the battery box, two handles are provided on the front panel, and the two handles are respectively located at two end portions of the front panel.
As a preferred scheme of the battery box, the battery box further comprises a module connecting bar and a lead, and the three battery modules are connected in series with the lead through the module connecting bar.
The utility model has the advantages that:
the utility model provides a battery module, this battery module include a plurality of electric cores, tighten up area, clamp plate and heating film, and a plurality of electric cores pile up and constitute electric core group, and the heating film laminating can heat electric core group in electric core group's side, can avoid electric core temperature to hang down excessively, not only can guarantee communication base station's normal work, can also prolong electric core group's life. A silica gel pad is clamped between two adjacent electric cores, so that a certain expansion space is formed between the electric cores; the tightening belt winds on the electric core group and tightens the electric core group, the pressing plate is connected to the box body of the battery box and tightly presses the electric core group on the box body, the suppression effect on the expansion of the electric core can be achieved, and the service life of the battery module is prolonged.
The utility model also provides a battery box, this battery box includes the box, the battery module that case lid and aforementioned technical scheme provided, the case lid covers battery module in the box, battery module includes second module and two first modules, two first modules support respectively and hold in the both ends of second module, form the appearance chamber that can place battery box auxiliary parts between two first modules, make this battery box compact structure, the quantity of the battery box of placing in the rack has been improved, be favorable to improving the utilization ratio of rack.
Drawings
Fig. 1 is an exploded view of a battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery box according to an embodiment of the present invention.
In the figure:
1. an electric core; 11. a silica gel pad; 2. tightening the belt; 3. pressing a plate; 31. connecting a bracket; 32. reinforcing ribs; 4. Heating the film; 5. a connecting row; 6. an insulating cover plate; 7. an insulating sheet; 8. a buffer plate; 9. a box body; 91. a limiting bracket; 10. a box cover; 101. a battery module; 1011. a first module; 1012. a second module; 102. a front panel; 1021. a handle; 103. the module connecting row; 104. and (4) conducting wires.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the battery module provided by the present invention is further described with reference to the accompanying drawings and specific embodiments.
This embodiment provides a battery module, as shown in fig. 1, this battery module includes a plurality of electric cores 1 and heating film 4, a plurality of electric cores 1 pile up and set up the constitution electric core group, heating film 4 laminates in the side of electric core group and links to each other with battery management system's heating interface, heating film 4 can heat electric core group under battery management system's control, make electric core 1's temperature keep more than 0 ℃, can avoid electric core 1 temperature to hang down excessively, not only can guarantee that the power supply of battery module to communication base station is normal, can also prolong the life of electric core group.
In this embodiment, this battery module still includes silica gel pad 11, all presss from both sides between two arbitrary adjacent electric cores 1 and is equipped with silica gel pad 11, and silica gel pad 11 has certain elasticity, can provide sufficient holding power for electric core 1 of both sides, can make to have certain inflation space between two adjacent electric cores 1 again, alleviates electric core 1's inflation.
Preferably, this battery module still includes the area of tightening 2, and the area of tightening 2 is around locating electric core group to tighten electric core group, the inflation of electric core 1 can be restrained to the area of tightening 2, prolongs electric core 1's cycle life. Specifically, the tightening belt 2 is a plastic steel belt, and has high strength, high toughness and certain corrosion resistance.
In this embodiment, this battery module still includes clamp plate 3, and clamp plate 3's both ends all are equipped with linking bridge 31, and clamp plate 3 press the lid and locate the side of electric core group and connect on the box 9 of battery box through linking bridge 31, sticiss the electric core group on box 9, can further restrain electric core 1's inflation, is favorable to prolonging electric core 1's cycle life. Preferably, the pressing plate 3 is a hot-dip galvanized steel plate with a thickness of 1.8mm to 2.2mm, and has the advantages of high strength, good rigidity, difficult deformation, capability of providing uniform and large pressing force for the plurality of battery cells 1, and strong restriction capability on expansion of the battery cells 1. In the present embodiment, the thickness of the pressing plate 3 is 2mm, and it can be understood that a person skilled in the art can design the thickness of the pressing plate 3 according to actual conditions.
Specifically, be equipped with a plurality of strengthening ribs 32 on the clamp plate 3, a plurality of strengthening ribs 32 are equidistant to be set up, and the length of strengthening rib 32 arranges along clamp plate 3's length direction, and strengthening rib 32 can further improve clamp plate 3's rigidity, prevents effectively that clamp plate 3 from warping, can guarantee clamp plate 3 and to the even suppression of electric core 1 inflation.
In this embodiment, this battery module still includes buffer board 8, and buffer board 8 presss from both sides and locates between clamp plate 3 and the electric core group, can prevent to take place to collide with between electric core group and the clamp plate 3. Specifically, the buffer plate 8 is made of foam, and is light in weight, good in elasticity and low in cost.
In this embodiment, the battery module further includes a connection bar 5, where the connection bar 5 is connected to the terminal of the battery cell 1, and can connect a plurality of battery cells 1 in series or in parallel, so that the battery module obtains a suitable output voltage. Specifically, the connection bar 5 is connected to the pole of the battery cell 1 in a laser welding manner, so that the contact internal resistance of the battery module can be reduced, the internal pressure difference is reduced, and the consistency of the capacity of each battery cell 1 is kept.
Preferably, this battery module is still including relative insulating cover plate 6 and the insulating piece 7 that sets up, and insulating cover plate 6 lid is located the electric core group and is had one side of utmost point post, and the opposite side of electric core group is located to insulating piece 7 lid, can guarantee this battery module and external insulation, is favorable to preventing this battery module from taking place the electric leakage.
The overall dimension of the battery cell 1 used in the battery module in this embodiment is: the width was 148.3mm, the height was 130.3 and the thickness was 26.7 mm. After the battery module that this size electric core is constituteed the battery box through arranging, the degree of depth of battery box is less, places more battery boxes in the rack of the communication base station of being convenient for.
The utility model also provides a battery box, as shown in fig. 2, this battery box includes that box 9, case lid 10 and the battery module that above-mentioned technical scheme provided, and the battery module passes through linking bridge 31 to be connected in box 9, and case lid 10 is connected on box 9 and is covered the battery module in box 9.
In this embodiment, the battery module includes second module 1012 and two first modules 1011, and two first modules 1011 support respectively and hold in the both ends of second module 1012, and 3 battery modules are the U-shaped and arrange, form the appearance chamber that can place battery box auxiliary components between two first modules 1011 for space in the battery box can obtain make full use of. Specifically, first module 1011 includes 6 electric core 1, and 6 electric core 1 is 2 and is listed as 3 layers and arranges, and second module 1012 includes 3 electric core 1, and 3 electric core 1 is 1 and is listed as 3 layers and arranges, and two kinds of battery module that the size is different can make the size that holds the chamber on the basis of the appearance chamber of placing battery box auxiliary component spare part as little as possible, can avoid the waste of battery box inner space. In this embodiment, the number of the battery cells 1 in the 3 battery modules is not specifically limited, and those skilled in the art can design the number of the battery cells 1 in the battery modules according to actual situations.
Preferably, the box 9 is provided with a limit bracket 91, and the connecting bracket 31 of the battery module is connected to the limit bracket 91 through a connecting bolt. Specifically, be equipped with 6 spacing supports 91 on the box 9, the last linking bridge 31 of 3 battery modules connects in 6 spacing supports 91, compresses tightly 3 battery modules on box 9.
In this embodiment, the battery box further includes a front panel 102, the front panel 102 is connected to the same end of the box body 9 and the box cover 10, and the front panel 102 is used for installing auxiliary components such as a connection plug of the battery box, so that the convenience of use of the battery box can be improved. Preferably, two handles 1021 are arranged on the front panel 102, and the two handles 1021 are respectively arranged at two end parts of the front panel 102, so that an installer can carry the battery box by hand. Simultaneously, this battery box weight establishes to 23kg, convenient transport, and an adult can independently accomplish the installation work of rack, is favorable to using manpower and materials sparingly.
Preferably, the battery box further includes a module connection bank 103 and a wire 104, and three battery modules are connected in series through the module connection bank 103 and the wire 104, so that the battery box can output power to the outside at a suitable voltage.
In this embodiment, the external dimensions of the battery box are: the depth is 396mm, and the width is 442mm, and the height is 88.5mm, and the compact structure of this battery box can place more quantity of battery boxes in communication base station's the rack, is favorable to improving the utilization ratio of rack.
Through the structure, the battery box can be compatible with 15 battery cells 1 and 16 battery cells 1, can meet the use of 48V and 51.2V voltage platforms at home and abroad, and can meet the installation of 19-inch standard cabinets.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A battery module, comprising:
the battery comprises a plurality of battery cores (1), wherein the battery cores (1) are stacked to form a battery core group, and a silica gel pad (11) is clamped between every two adjacent battery cores (1);
the tightening belt (2) is wound on the electric core group and tightens the electric core group;
the two ends of the pressing plate (3) are provided with connecting supports (31), and the pressing plate (3) is arranged on the side surface of the electric core group in a pressing manner and is connected to the box body (9) of the battery box through the connecting supports (31);
and the heating film (4), the heating film (4) is attached to the side surface of the electric core group.
2. The battery module according to claim 1, further comprising a connection bar (5), wherein the connection bar (5) is welded to the poles of the battery cells (1) by laser so as to connect a plurality of the battery cells (1) in series or in parallel.
3. The battery module according to claim 1, further comprising an insulating cover plate (6) and an insulating sheet (7) which are oppositely arranged, wherein the insulating cover plate (6) is covered on one side of the electric core set with the pole, and the insulating sheet (7) is covered on the other side of the electric core set.
4. The battery module according to claim 1, further comprising a buffer plate (8), wherein the buffer plate (8) is sandwiched between the pressing plate (3) and the electric core pack.
5. The battery module according to claim 1, wherein the pressure plate (3) is provided with a plurality of reinforcing ribs (32), the plurality of reinforcing ribs (32) are arranged at equal intervals, and the length of the reinforcing ribs (32) is arranged along the length direction of the pressure plate (3).
6. A battery box characterized by comprising a box body (9), a box cover (10) and the battery module according to any one of claims 1 to 5, wherein the battery module (101) is connected to the inside of the box body (9) through a connecting bracket (31), and the box cover (10) is connected to the box body (9) and covers the battery module (101) in the box body (9);
the battery module (101) comprises a second module (1012) and two first modules (1011), the two first modules (1011) respectively abut against two ends of the second module (1012), and a cavity capable of containing auxiliary components of the battery box is formed between the two first modules (1011).
7. The battery box according to claim 6, characterized in that a limiting bracket (91) is arranged on the box body (9), and the connecting bracket (31) is connected to the limiting bracket (91) through a connecting bolt.
8. The battery box according to claim 6, characterized by further comprising a front panel (102), wherein the front panel (102) is connected to the box body (9) and the box cover (10).
9. The battery box according to claim 8, characterized in that two handles (1021) are provided on the front panel (102), and the two handles (1021) are respectively located at both end portions of the front panel (102).
10. The battery box according to claim 6, further comprising a module connecting bank (103) and a lead (104), wherein three of the battery modules (101) are connected in series through the module connecting bank (103) and the lead (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367607.7U CN213584024U (en) | 2020-10-22 | 2020-10-22 | Battery module and battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367607.7U CN213584024U (en) | 2020-10-22 | 2020-10-22 | Battery module and battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213584024U true CN213584024U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022367607.7U Active CN213584024U (en) | 2020-10-22 | 2020-10-22 | Battery module and battery box |
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| Country | Link |
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| CN (1) | CN213584024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921979A (en) * | 2021-09-10 | 2022-01-11 | 东风时代(武汉)电池系统有限公司 | Battery module and battery package |
| WO2024012264A1 (en) * | 2022-07-15 | 2024-01-18 | 比亚迪股份有限公司 | Energy storage battery cabinet and energy storage system having same |
| WO2024036544A1 (en) * | 2022-08-18 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Battery box, battery, and electrical device |
-
2020
- 2020-10-22 CN CN202022367607.7U patent/CN213584024U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921979A (en) * | 2021-09-10 | 2022-01-11 | 东风时代(武汉)电池系统有限公司 | Battery module and battery package |
| WO2024012264A1 (en) * | 2022-07-15 | 2024-01-18 | 比亚迪股份有限公司 | Energy storage battery cabinet and energy storage system having same |
| WO2024036544A1 (en) * | 2022-08-18 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Battery box, battery, and electrical device |
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